Twin Air delivers a Complete BIO System with everything you need to maintain your Twin Air filter! Kit includes: Liquid Power BIO Dirt Remover filter cleaner (1 liter): Whether using a washing machine or hand washing your filter in a bucket, this granular, water-soluble cleaner can go right down the drain without clogging it up or harming the delicate environment. Liquid Power BIO Filter Oil (1 liter): Boost your bike's performance with the first biodegradable air filter oil that works in ALL riding conditions - Liquid Power Bio Filter Oil prevents dirt, dust, and even water from entering your carburetor and damaging your delicate engine internals. Contact cleaner: A perfect way to clean the filter oil from the filter cage, filter bolt, airbox, and airbox sealing ring. Rubber gloves. Twin Air cleaning tub with cages. Oiling tub.